34351261854 has 64 divisors (see below), whose sum is σ = 89530914816. Its totient is φ = 8526749184.

The previous prime is 34351261849. The next prime is 34351261873. The reversal of 34351261854 is 45816215343.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1841142 + ... + 1859705.

It is an arithmetic number, because the mean of its divisors is an integer number (1398920544).

Almost surely, 2^34351261854 is an apocalyptic number.

34351261854 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

34351261854 is an abundant number, since it is smaller than the sum of its proper divisors (55179652962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34351261854 is a wasteful number, since it uses less digits than its factorization.

34351261854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700889.

The product of its digits is 345600, while the sum is 42.

The spelling of 34351261854 in words is "thirty-four billion, three hundred fifty-one million, two hundred sixty-one thousand, eight hundred fifty-four".